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1/*
2 * File: include/asm-blackfin/bfin-global.h
3 * Based on:
4 * Author: *
5 * Created:
6 * Description: Global extern defines for blackfin
7 *
8 * Modified:
9 * Copyright 2004-2006 Analog Devices Inc.
10 *
11 * Bugs: Enter bugs at http://blackfin.uclinux.org/
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, see the file COPYING, or write
25 * to the Free Software Foundation, Inc.,
26 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 */
28
29#ifndef _BFIN_GLOBAL_H_
30#define _BFIN_GLOBAL_H_
31
32#ifndef __ASSEMBLY__
33
34#include <asm-generic/sections.h>
35#include <asm/ptrace.h>
36#include <asm/user.h>
37#include <linux/linkage.h>
38#include <linux/types.h>
39
40#if defined(CONFIG_DMA_UNCACHED_2M)
41# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
42#elif defined(CONFIG_DMA_UNCACHED_1M)
43# define DMA_UNCACHED_REGION (1024 * 1024)
44#else
45# define DMA_UNCACHED_REGION (0)
46#endif
47
48extern unsigned long get_cclk(void);
49extern unsigned long get_sclk(void);
50
51extern void dump_thread(struct pt_regs *regs, struct user *dump);
52extern void dump_bfin_regs(struct pt_regs *fp, void *retaddr);
53extern void dump_bfin_trace_buffer(void);
54
55extern int init_arch_irq(void);
56extern void bfin_reset(void);
57extern void _cplb_hdr(void);
58/* Blackfin cache functions */
59extern void bfin_icache_init(void);
60extern void bfin_dcache_init(void);
61extern int read_iloc(void);
62extern int bfin_console_init(void);
63extern asmlinkage void lower_to_irq14(void);
64extern void init_dma(void);
65extern void program_IAR(void);
66extern void evt14_softirq(void);
67extern asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs);
68extern void bfin_gpio_interrupt_setup(int irq, int irq_pfx, int type);
69
70extern void *l1_data_A_sram_alloc(size_t);
71extern void *l1_data_B_sram_alloc(size_t);
72extern void *l1_inst_sram_alloc(size_t);
73extern void *l1_data_sram_alloc(size_t);
74extern void *l1_data_sram_zalloc(size_t);
75extern int l1_data_A_sram_free(const void*);
76extern int l1_data_B_sram_free(const void*);
77extern int l1_inst_sram_free(const void*);
78extern int l1_data_sram_free(const void*);
79extern int sram_free(const void*);
80
81#define L1_INST_SRAM 0x00000001
82#define L1_DATA_A_SRAM 0x00000002
83#define L1_DATA_B_SRAM 0x00000004
84#define L1_DATA_SRAM 0x00000006
85extern void *sram_alloc_with_lsl(size_t, unsigned long);
86extern int sram_free_with_lsl(const void*);
87
88extern void led_on(int);
89extern void led_off(int);
90extern void led_toggle(int);
91extern void led_disp_num(int);
92extern void led_toggle_num(int);
93extern void init_leds(void);
94
95extern char *bfin_board_name __attribute__ ((weak));
96extern unsigned long wall_jiffies;
97extern unsigned long ipdt_table[];
98extern unsigned long dpdt_table[];
99extern unsigned long icplb_table[];
100extern unsigned long dcplb_table[];
101
102extern unsigned long ipdt_swapcount_table[];
103extern unsigned long dpdt_swapcount_table[];
104
105extern unsigned long table_start, table_end;
106
107extern struct file_operations dpmc_fops;
108extern char _start;
109extern unsigned long _ramstart, _ramend, _rambase;
110extern unsigned long memory_start, memory_end, physical_mem_end;
111extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
112 _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[];
113
114#ifdef CONFIG_MTD_UCLINUX
115extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
116#endif
117
118#endif
119
120#endif /* _BLACKFIN_H_ */
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